[ strey-tuhs, strat-uhs ]
/ ˈstreɪ təs, ˈstræt əs /
Save This Word!

noun, plural stra·ti [strey-tahy, strat-ahy]. /ˈstreɪ taɪ, ˈstræt aɪ/.

a cloud of a class characterized by a gray, horizontal layer with a uniform base, found at a lower altitude than altostratus, usually below 8,000 feet (2,400 meters).



Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of stratus

1795–1805; <Latin strātus;see stratum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for stratus

/ (ˈstreɪtəs) /

noun plural -ti (-taɪ)

a grey layer cloudCompare cirrus (def. 1), cumulus
C19: via New Latin from Latin: strewn, from sternere to extend
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for stratus

[ strătəs, strātəs ]

Plural strati (strătī, strā)

A diffuse, grayish cloud that often produces drizzle and is formed primarily in altitudes no higher than 2,000 m (6,560 ft). A stratus cloud close to the ground or water is called fog. See illustration at cloud.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
What's This Word?